Validation of sea ice concentration
Bulletin date: 2025-01-16
Model vs. observations, sea ice class contingency tables
Date: 2025-01-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59821 |
24330 |
4175 |
824 |
272 |
157 |
3 |
0 |
| OW |
1 |
507 |
1522 |
891 |
320 |
475 |
101 |
0 |
| VODI |
0 |
95 |
813 |
829 |
560 |
612 |
444 |
0 |
| ODI |
0 |
0 |
275 |
441 |
513 |
527 |
943 |
22 |
| CDI |
0 |
0 |
164 |
394 |
568 |
830 |
5870 |
132 |
| VCDI |
0 |
0 |
43 |
160 |
157 |
606 |
23896 |
26526 |
|
...date precedes bulletin
|
Date: 2025-01-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60584 |
24081 |
3864 |
674 |
148 |
25 |
3 |
0 |
| OW |
0 |
285 |
1748 |
1080 |
698 |
263 |
92 |
0 |
| VODI |
0 |
122 |
960 |
478 |
651 |
592 |
415 |
0 |
| ODI |
0 |
84 |
422 |
364 |
456 |
750 |
784 |
54 |
| CDI |
0 |
54 |
405 |
420 |
708 |
1301 |
5675 |
265 |
| VCDI |
0 |
0 |
262 |
413 |
527 |
1317 |
25820 |
22000 |
|
...date precedes bulletin
|
Date: 2025-01-16:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60922 |
23886 |
4121 |
1006 |
272 |
103 |
10 |
0 |
| OW |
0 |
208 |
1657 |
955 |
520 |
396 |
86 |
0 |
| VODI |
0 |
49 |
758 |
764 |
578 |
649 |
350 |
0 |
| ODI |
0 |
31 |
200 |
268 |
550 |
754 |
807 |
6 |
| CDI |
0 |
36 |
138 |
164 |
550 |
1590 |
4581 |
51 |
| VCDI |
0 |
11 |
86 |
230 |
291 |
1621 |
30317 |
19272 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60922 |
23886 |
4121 |
1006 |
272 |
103 |
10 |
0 |
| OW |
0 |
208 |
1657 |
955 |
520 |
396 |
86 |
0 |
| VODI |
0 |
49 |
758 |
764 |
578 |
649 |
350 |
0 |
| ODI |
0 |
31 |
200 |
268 |
550 |
754 |
807 |
6 |
| CDI |
0 |
36 |
138 |
164 |
550 |
1590 |
4581 |
51 |
| VCDI |
0 |
11 |
86 |
230 |
291 |
1621 |
30317 |
19272 |
|
Date: 2025-01-20:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-01-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-01-24:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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